PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/27-03:43:10
G08     303.4          20.8                7.9 +/-    1.85      17.0 +/-    1.85  0.040 / 0.060
G10     353.3          62.3                6.1 +/-    0.44       6.8 +/-    0.44  0.050 / 0.070
G14     223.0          39.0               11.8 +/-    1.51      17.4 +/-    1.51  0.060 / 0.100
G20     53.1           56.5                6.9 +/-    0.53       8.1 +/-    0.53  0.060 / 0.090
G21     142.0          48.7               10.2 +/-    1.17      13.1 +/-    1.17  0.030 / 0.030
G24     64.2           28.5                5.6 +/-    1.09      10.1 +/-    1.09  0.030 / 0.030
G27     264.5          35.4                9.6 +/-    1.39      15.1 +/-    1.39  0.070 / 0.140
G32     231.7          58.7               11.1 +/-    0.57      12.8 +/-    0.57  0.050 / 0.130